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Frame3u.pas
资源名称:delphi.rar [点击查看]
上传用户:fh681027
上传日期:2022-07-23
资源大小:1959k
文件大小:1k
源码类别:
Delphi控件源码
开发平台:
Delphi
- unit Frame3u;
- interface
- uses Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
- StdCtrls;
- type
- TFrame3 = class(TFrame)
- ListBox1: TListBox;
- btnAdd: TButton;
- btnDelete: TButton;
- LabelFile: TLabel;
- Label1: TLabel;
- btnSave: TButton;
- procedure btnAddClick(Sender: TObject);
- procedure btnDeleteClick(Sender: TObject);
- procedure btnSaveClick(Sender: TObject);
- private
- { Private declarations }
- public
- procedure CreateWnd; override;
- end;
- implementation
- {$R *.DFM}
- procedure TFrame3.btnAddClick(Sender: TObject);
- var
- strNew: string;
- begin
- if InputQuery ('Enter new item', 'Text', strNew) then
- ListBox1.Items.Add (strNew);
- end;
- procedure TFrame3.btnDeleteClick(Sender: TObject);
- begin
- if ListBox1.ItemIndex >= 0 then
- ListBox1.Items.Delete (ListBox1.ItemIndex);
- end;
- procedure TFrame3.CreateWnd;
- begin
- inherited;
- // load data
- ListBox1.Items.LoadFromFile (LabelFile.Caption);
- end;
- procedure TFrame3.btnSaveClick(Sender: TObject);
- begin
- ListBox1.Items.SaveToFile (LabelFile.Caption);
- end;
- initialization
- RegisterClass (TFrame3);
- end.